- When was the last time the San Andreas Fault went off?
- Where do most earthquakes occur?
- What would happen if there was a 10.0 earthquake?
- What will happen if San Andreas Fault breaks?
- Is San Diego safe from earthquakes?
- How close is the San Andreas Fault to me?
- What cities would be affected by the San Andreas Fault?
- How bad is San Andreas earthquake?
- Is it true that California is sinking?
- Why is the San Andreas Fault so dangerous?
- How far can a 9.0 earthquake be felt?
- What is the biggest fault line in the world?
- Can San Andreas really happen?
- Is the tsunami in San Andreas possible?
When was the last time the San Andreas Fault went off?
There are only two large known historic earthquakes on the San Andreas Fault in southern CA, the most recent in 1857, and before that one in 1812.
With about 45 years between the historic earthquakes but about 160 years since the last one, it is clear that the fault does not behave like a clock with a regular beat..
Where do most earthquakes occur?
Most earthquakes occur along the edge of the oceanic and continental plates. The earth’s crust (the outer layer of the planet) is made up of several pieces, called plates. The plates under the oceans are called oceanic plates and the rest are continental plates.
What would happen if there was a 10.0 earthquake?
No, earthquakes of magnitude 10 or larger cannot happen. The magnitude of an earthquake is related to the length of the fault on which it occurs. … No fault long enough to generate a magnitude 10 earthquake is known to exist, and if it did, it would extend around most of the planet.
What will happen if San Andreas Fault breaks?
The lines that bring water, electricity and gas to Los Angeles all cross the San Andreas fault—they break during the quake and won’t be fixed for months. … Overall, such a quake would cause some $200 billion in damage, 50,000 injuries and 2,000 deaths, the researchers estimated.
Is San Diego safe from earthquakes?
But like all of California, San Diego is earthquake country. … Most people in San Diego County live less than 15 miles from a fault that can have a damaging earthquake, such as the Rose Canyon fault along the coast and beneath downtown San Diego, and the Elsinore and San Jacinto faults that cut through East County.
How close is the San Andreas Fault to me?
The San Andreas Fault is easy to follow through California. From the Salton Sea, it runs northwest 800 miles before ending under the Pacific Ocean.
What cities would be affected by the San Andreas Fault?
Some of the cities and communities that lie on the San Andreas Fault include:Bodega Bay.Daly City.Desert Hot Springs.Frazier Park.Gorman.Moreno Valley.Palmdale.Point Reyes Station.More items…•
How bad is San Andreas earthquake?
Tsunamis are much more likely in subduction zones and the San Andreas fault is not a subduction zone. So at least we have that. But if a major quake was to hit on a different fault…well….By Arwen Champion-Nicks, Misha Euceph and Mary Knauf.ClassMagnitudeMajor7 – 7.9Strong6 – 6.9Moderate5 – 5.9Light4 – 4.92 more rows
Is it true that California is sinking?
No, California is not going to fall into the ocean. California is firmly planted on the top of the earth’s crust in a location where it spans two tectonic plates. … The strike-slip earthquakes on the San Andreas Fault are a result of this plate motion.
Why is the San Andreas Fault so dangerous?
Narrator: Parts of the San Andreas Fault intersect with 39 gas and oil pipelines. This could rupture high-pressure gas lines, releasing gas into the air and igniting potentially deadly explosions. Stewart: So, if you have natural-gas lines that rupture, that’s how you can get fire and explosions.
How far can a 9.0 earthquake be felt?
In a place with complex geology, every rock contact scatters and absorbs seismic energy, so that far away you’d probably feel it but not see damage or casualties. In the U.S. Midcontinent, with layer-cake geology that makes efficient wave guides, a 9.0 event would probably produce appreciable damage 565 miles away.
What is the biggest fault line in the world?
The Ring of Fire is the largest and most active fault line in the world, stretching from New Zealand, all around the east coast of Asia, over to Canada and the USA and all the way down to the southern tip of South America and causes more than 90 percent of the world’s earthquakes.
Can San Andreas really happen?
Yes. In the San Andreas movie, a 9.6 magnitude earthquake hits San Francisco, which was triggered by a 9.1 magnitude quake in Los Angeles, following a 7.1 in Nevada. … Lucy Jones says that if you adjust the magnitudes for what’s possible along the real San Andreas Fault, the movie’s triggering pattern is plausible.
Is the tsunami in San Andreas possible?
The San Andreas fault cannot create a big tsunami, as depicted in the movie. … Local tsunamis might be generated along the California coast, if the shaking from an earthquake on the San Andreas fault triggers underwater landslides or if there is slip on a smaller offshore fault.